Carnitine palmitoyl transferase deficiency in pregnancy--a case report.

Carnitine palmitoyl transferase deficiency is one of the mitochondrial myopathies characterized by weakness, exercise intolerance, and myoglobinuria after prolonged exercise. This is the first case report concerning a pregnant woman with carnitine palmitoyl transferase deficiency that was also proved by the decrease of carnitine palmitoyl transferase activity in uterine myometrium biopsy.